stm32f0 uart1 rx interrupt problem

I have stm32f030f4p6 Microcontroller and using iar Compiler , library cmsis , After confige Uart1 the RXNE , FE and CMF bits return 1 whereas not recieve or send was done if I dont set RXNE bit to 0 thats Stuck on interrupt routine And that recieve nothing here is my Uart Config: